Research Article
Improvement of Heat Pipe Solar Collector Thermal Efficiency Using Al2O3/Water and TiO2/Water Nanofluids
Table 6
Uncertainty calculated parameters and uncertainty values.
| Device name | Measuring range | Accuracy | Total uncertainty |
| Thermocouple T type (LZS-15) | -40/+350°C | ±0.5°C | ±0.5139 | Datalogger UDL200 | -200/+400°C | ±%0.2 | Pyranometer (SM-206) | 1-3999 W/m2 | ±%5 | Flow meter (LZS-15) | 10-100 kg/h | ±%4 |
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